The country's first Butterfly Park was established at the Bannerghatta Biological Park. It was inaugurated on Saturday November 25, 2006 by Kapil Sibal, Union Minister of Science and Technology. The Butterfly Park is spread across 7.5 acres (30,000 m²) of land. It comprises a butterfly conservatory, museum and an audio-visual room. The butterfly conservatory has a polycarbonate roof and is a 10,000 sq ft (1,000 m²). circular enclosure, inside which the living environment has been carefully designed to support over 20 species of butterflies.
The environment has a tropical setting - complete with the humid climate, an artificial waterfall,a narrow walking bridge and host plants and shrubs that attract butterflies. The conservatory leads to the second and third domes, which house the museum containing dioramas and exhibits of carefully preserved,exquisite butterflies. The collaborative agencies are the Zoo Authority of Karnataka, University Of Agricultural Sciences and the Ashoka Trust for Research in Ecology and Environment (ATREE).